Backup

Drupal tables - to backup or not to backup?

When backing up or migrating a Drupal site with Backup & Migrate you have to backup the whole structure of your database but not necessarily the content of all tables.

You can set the the Default Database Backup Options at admin/config/system/backup_migrate/profile/list/edit to exclude data from certain tables from the backup. But how do you decide which data to exclude? A great blog post by Adelle Frank lists the Drupal tables to (probably) not backup: